Conclusion: Using antibiotic in stomach intestine operation cann't prevent the postoperative infection well, there is unreasonable factor in usage of antibiotic in stomach intestine operation.
结论：胃肠手术中应用抗生素不能很好地预防术后感染，胃肠手术中抗生素的使用仍存在不合理之处。
However through discovered to the Shandong some city part Public hospital's investigation that the present stage our country medical personnel's salary system still has certain unreasonable factor.
通过对山东某市部分公立医院的调查发现，现阶段我国医务人员的薪酬体系仍然存在着一定的不合理因素。
Aging wear, poor reliability and disasters and accidents, use environment, unreasonable storage, human factor etc cause of education equipment failure.
老化磨损、可靠性差、灾害事故、使用环境、不合理储存、人为因素等都是引发教育装备发生故障的原因。
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